Subject: Re: BIND9 very slow resolving external addresses
To: <>
From: Hisashi T Fujinaka <>
List: netbsd-users
Date: 12/10/2004 09:21:50
On Fri, 10 Dec 2004, Chuck Swiger wrote:

> Amadeus Stevenson wrote:
> [ ... ]
>> It takes about a second or two to resolve external addresses, which is
>> slowing things down a lot. Once cached it is much faster. Do you have
>> any ideas what I am doing wrong? This happens from the gateway itself
>> as well as from every natted box. I never used to have this problem
>> before:
> Consider invoking named with the -4 option to restrict BIND to doing IPv4 
> queries only, rather than also trying to do IPv6 queries, and see whether 
> that makes any difference.

I was about to mention that there is supposed to be a bug in recent bind
(what version I forgot) where ipv6 queries eat up time on systems where
ipv6 is not available. Check the bind list for details.

Hisashi T Fujinaka -
BSEE(6/86) + BSChem(3/95) + BAEnglish(8/95) + MSCS(8/03) + $2.50 = latte